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| author | Bernard Normier <bernard@zeroc.com> | 2017-01-26 17:17:36 -0500 |
|---|---|---|
| committer | Bernard Normier <bernard@zeroc.com> | 2017-01-26 17:17:36 -0500 |
| commit | cb899451044f7559c4f018ee8f4898375876fb05 (patch) | |
| tree | de537c7b3a6465330d5c7695c186bc19038b9561 /cpp/src/slice2objc | |
| parent | Python: Ice.Value implementation (diff) | |
| download | ice-cb899451044f7559c4f018ee8f4898375876fb05.tar.bz2 ice-cb899451044f7559c4f018ee8f4898375876fb05.tar.xz ice-cb899451044f7559c4f018ee8f4898375876fb05.zip | |
Fixed bug in float hash function
Diffstat (limited to 'cpp/src/slice2objc')
| -rw-r--r-- | cpp/src/slice2objc/Gen.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cpp/src/slice2objc/Gen.cpp b/cpp/src/slice2objc/Gen.cpp index e3b471d11f4..8b927cc9830 100644 --- a/cpp/src/slice2objc/Gen.cpp +++ b/cpp/src/slice2objc/Gen.cpp @@ -2040,13 +2040,16 @@ Slice::Gen::TypesVisitor::writeMemberHashCode(const DataMemberList& dataMembers, } case Builtin::KindFloat: { - _M << nl << "h_ = ((h_ << 5) + h_) ^ (2654435761u * (uint)" << name << ");"; + _M << sb; + _M << nl << "uint32_t bits_ = *(uint32_t*)&" << name << ";"; + _M << nl << "h_ = ((h_ << 5) + h_) ^ (uint)bits_;"; + _M << eb; break; } case Builtin::KindDouble: { _M << sb; - _M << nl << "unsigned long long bits_ = *(unsigned long long*)&" << name << ";"; + _M << nl << "uint64_t bits_ = *(uint64_t*)&" << name << ";"; _M << nl << "h_ = ((h_ << 5) + h_) ^ (uint)(bits_ ^ (bits_ >> 32));"; _M << eb; break; |